/* roulang page: index */
:root {
  --primary: #0B1B2B;
  --secondary: #FF6B2C;
  --accent: #2DD4BF;
  --bg: #F6F7F9;
  --card-bg: #FFFFFF;
  --text: #1E293B;
  --muted: #64748B;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(11,27,43,0.06);
  --shadow-hover: 0 12px 32px rgba(11,27,43,0.12);
  --transition: all 0.3s ease;
  --header-height: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  display: block;
}

button,
input {
  font-family: inherit;
}

:focus-visible {
  outline: 3px solid rgba(255, 107, 44, 0.5);
  outline-offset: 2px;
}

.container {
  max-width: 1280px;
  padding-left: 20px;
  padding-right: 20px;
  margin: 0 auto;
}

section {
  padding: clamp(64px, 10vw, 96px) 0;
}

/* ---------- 导航 Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 27, 43, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header.scrolled {
  background: rgba(11, 27, 43, 0.96);
  box-shadow: 0 8px 30px rgba(11, 27, 43, 0.25);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--header-height);
  position: relative;
}

.main-nav {
  display: flex;
  align-items: center;
  width: 100%;
  justify-content: space-between;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.nav-right {
  justify-content: flex-end;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 15px;
  border-radius: 8px;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--secondary);
}

.nav-link.active {
  color: #ffffff;
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

.nav-link.nav-cta {
  background: var(--secondary);
  color: #fff;
  border-radius: 999px;
  padding: 8px 22px;
  font-weight: 600;
  margin-left: 8px;
}

.nav-link.nav-cta:hover {
  background: #FF814D;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 107, 44, 0.3);
  color: #fff;
}

.nav-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 1px;
  white-space: nowrap;
  line-height: 1.2;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(11, 27, 43, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1050;
  padding: 100px 40px 40px;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-link {
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  font-weight: 600;
  padding: 14px 20px;
  border-radius: 12px;
  transition: var(--transition);
}

.mobile-link:hover {
  background: rgba(255, 107, 44, 0.15);
  color: var(--secondary);
  padding-left: 28px;
}

.mobile-link.active {
  color: var(--secondary);
  background: rgba(255, 107, 44, 0.1);
}

.mobile-link.mobile-cta {
  margin-top: 16px;
  background: var(--secondary);
  color: #fff;
  text-align: center;
  border-radius: 999px;
}

/* ---------- Hero 首屏 ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 43, 0.78) 0%, rgba(11, 27, 43, 0.35) 55%, rgba(11, 27, 43, 0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 120px;
  padding-bottom: 180px;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 20px;
  border-radius: 999px;
  letter-spacing: 2px;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 4px 30px rgba(11, 27, 43, 0.4);
  letter-spacing: 2px;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--secondary);
  color: #fff !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background: #FF814D;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 107, 44, 0.35);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
}

.btn-outline:hover,
.btn-outline:focus {
  background: #fff;
  color: var(--primary) !important;
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--primary);
  color: #fff !important;
}

.btn-dark:hover {
  background: #132A40;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(11, 27, 43, 0.2);
}

/* 统计条 */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  background: rgba(11, 27, 43, 0.55);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
}

.hero-stats-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 24px;
  text-align: center;
}

.stat-num {
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 4px;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

/* ---------- 品牌故事 ---------- */
.about-section {
  background: var(--card-bg);
}

.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.about-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.about-image::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  background: var(--secondary);
  border-radius: 0 0 12px 12px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--secondary);
  background: rgba(255, 107, 44, 0.1);
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.about-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 20px;
}

.about-section p {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--secondary);
  font-weight: 600;
  font-size: 15px;
  margin-top: 8px;
  text-decoration: none;
}

.link-more:hover {
  color: var(--primary);
  gap: 12px;
}

.link-more i {
  font-size: 14px;
  transition: var(--transition);
}

/* ---------- 精选内容 ---------- */
.featured-section {
  background: var(--bg);
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-head .sub-line {
  color: var(--muted);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto;
}

.section-head .head-link {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.section-head .head-link:hover {
  color: var(--primary);
}

.featured-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.card-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-card:hover .card-image img {
  transform: scale(1.06);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  z-index: 2;
}

.card-badge.teal {
  background: var(--accent);
  color: var(--primary);
}

.card-body-custom {
  padding: 22px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body-custom h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-body-custom p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: #94A3B8;
}

.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-meta i {
  font-size: 12px;
  color: var(--accent);
}

/* ---------- 最新资讯 ---------- */
.news-section {
  background: var(--bg);
  border-top: 1px solid #E8ECF0;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto 48px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
}

.news-item:hover {
  background: #FFFFFF;
  border-left-color: var(--secondary);
  box-shadow: var(--shadow-hover);
  transform: translateX(4px);
}

.news-thumb {
  width: 88px;
  height: 88px;
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
  background: #E2E8F0;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  flex: 1;
  min-width: 0;
}

.news-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: var(--transition);
}

.news-item:hover .news-content h3 {
  color: var(--secondary);
}

.news-content p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: #94A3B8;
}

.news-cat {
  color: var(--accent);
  font-weight: 600;
}

.news-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-time i {
  font-size: 12px;
}

.empty-state {
  background: #F1F5F9;
  border-radius: var(--radius);
  padding: 60px 30px;
  text-align: center;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}

.empty-state i {
  font-size: 42px;
  color: #94A3B8;
}

.empty-state p {
  font-size: 15px;
  font-weight: 500;
}

/* ---------- 信任背书 ---------- */
.trust-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.trust-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 50px 70px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 80px 20px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 130px 50px, rgba(255, 255, 255, 0.2), transparent);
  background-size: 140px 140px;
  pointer-events: none;
}

.trust-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.trust-text {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 40px;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-logo-item {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2px;
  padding: 8px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  transition: var(--transition);
}

.trust-logo-item:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
}

.trust-badge i {
  font-size: 24px;
  color: var(--accent);
}

/* ---------- FAQ ---------- */
.faq-section {
  background: var(--card-bg);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid #E8ECF0;
  padding: 20px 24px;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(255, 107, 44, 0.3);
  box-shadow: var(--shadow);
}

.faq-q {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-q i {
  color: var(--secondary);
  font-size: 14px;
  flex-shrink: 0;
}

.faq-a {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.75;
  margin-top: 10px;
  padding-left: 24px;
}

/* ---------- 订阅 CTA ---------- */
.cta-section {
  background: linear-gradient(180deg, var(--bg) 0%, #EDF0F4 100%);
  position: relative;
  overflow: hidden;
}

.cta-box {
  background: var(--primary);
  border-radius: 24px;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(11, 27, 43, 0.3);
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 107, 44, 0.2), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-box::after {
  content: "";
  position: absolute;
  bottom: -50px;
  left: -30px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-box h2 {
  color: #ffffff;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-box p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.subscribe-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.subscribe-form input {
  flex: 1;
  padding: 0.75rem 1.2rem;
  border: none;
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
  color: var(--text);
  transition: var(--transition);
}

.subscribe-form input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.3);
}

.subscribe-form input::placeholder {
  color: #94A3B8;
}

.subscribe-form button {
  padding: 0.75rem 1.8rem;
  background: var(--secondary);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.subscribe-form button:hover {
  background: #FF814D;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 107, 44, 0.3);
}

.subscribe-success {
  margin-top: 16px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  display: none;
  position: relative;
  z-index: 1;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  font-size: 20px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  max-width: 340px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a i {
  font-size: 11px;
  color: var(--accent);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--secondary);
}

/* ---------- 响应式 ---------- */
@media (max-width: 991px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    justify-content: center;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .logo {
    margin: 0 auto;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .logo-text {
    font-size: 18px;
  }

  .nav-container {
    min-height: 64px;
  }

  :root {
    --header-height: 64px;
  }

  .hero-content {
    padding-top: 110px;
    padding-bottom: 200px;
  }

  .about-wrapper {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-image img {
    height: 300px;
  }

  .section-head .head-link {
    position: static;
    transform: none;
    margin-top: 12px;
    display: inline-flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }

  .hero-stats-inner {
    gap: 8px;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .stat-divider {
    height: 30px;
  }
}

@media (max-width: 767px) {
  section {
    padding: 56px 0;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }

  .news-item {
    flex-direction: row;
    align-items: flex-start;
    padding: 14px;
    gap: 14px;
  }

  .news-thumb {
    width: 72px;
    height: 72px;
  }

  .news-content h3 {
    font-size: 14px;
  }

  .news-content p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: normal;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .subscribe-form {
    flex-direction: column;
    gap: 10px;
    max-width: 320px;
  }

  .subscribe-form input {
    width: 100%;
    text-align: center;
  }

  .subscribe-form button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand-col {
    grid-column: auto;
  }

  .trust-logos {
    gap: 16px;
  }

  .trust-logo-item {
    font-size: 13px;
    padding: 6px 12px;
  }

  .trust-badges {
    gap: 24px;
  }

  .stat-item {
    padding: 6px 16px;
  }

  .stat-num {
    font-size: 1.3rem;
  }

  .stat-label {
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 1.7rem;
    letter-spacing: 1px;
  }

  .hero-sub {
    font-size: 0.95rem;
  }

  .hero-stats-inner {
    gap: 4px;
  }

  .stat-divider {
    display: none;
  }

  .stat-item {
    padding: 4px 8px;
  }

  .stat-num {
    font-size: 1.2rem;
  }

  .stat-label {
    font-size: 11px;
  }

  .about-image img {
    height: 220px;
  }

  .trust-text {
    font-size: 1rem;
  }

  .faq-item {
    padding: 16px 18px;
  }

  .logo-text {
    font-size: 16px;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0B1B2B;
  --primary-light: #13293D;
  --accent: #FF6B2C;
  --accent-light: #FF814D;
  --secondary: #2DD4BF;
  --bg: #F6F7F9;
  --card-bg: #FFFFFF;
  --text: #1E293B;
  --muted: #64748B;
  --border: #E2E8F0;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(11,27,43,0.06);
  --shadow-hover: 0 12px 32px rgba(11,27,43,0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --spacer: clamp(64px, 10vw, 96px);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(255, 107, 44, 0.35);
  outline-offset: 2px;
}
.container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }
.section { padding: var(--spacer) 0; }
.section-sm { padding: 40px 0; }
.text-muted { color: var(--muted) !important; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 27, 43, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(11, 27, 43, 0.95);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 76px; position: relative; }
.main-nav { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-left, .nav-right { display: flex; align-items: center; gap: 28px; }
.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 2px;
  position: relative;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-link:hover { color: var(--accent); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
  border-radius: 2px;
}
.nav-link.active { color: #fff; font-weight: 700; }
.nav-link.active::after { transform: scaleX(1); }
.nav-link.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-link.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); }
.nav-logo { position: absolute; left: 50%; transform: translateX(-50%); }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 34px; height: 34px; flex-shrink: 0; }
.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1101;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero-section {
  position: relative;
  padding: 180px 0 110px;
  background: linear-gradient(135deg, rgba(11,27,43,0.88) 0%, rgba(11,27,43,0.65) 55%, rgba(11,27,43,0.45) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255,255,255,0.25) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.35;
  pointer-events: none;
}
.hero-breadcrumb {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1;
}
.hero-breadcrumb a { color: rgba(255,255,255,0.6); }
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb span { margin: 0 10px; color: rgba(255,255,255,0.3); }
.hero-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.01em;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  max-width: 640px;
  margin-bottom: 36px;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; position: relative; z-index: 1; }
.btn-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
}
.btn-primary-custom { background: var(--accent); color: #fff; }
.btn-primary-custom:hover { background: var(--accent-light); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(255,107,44,0.35); }
.btn-outline-custom { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.35); backdrop-filter: blur(4px); }
.btn-outline-custom:hover { background: rgba(255,255,255,0.22); color: #fff; border-color: rgba(255,255,255,0.6); transform: translateY(-3px); }
.btn-dark-custom { background: var(--primary); color: #fff; }
.btn-dark-custom:hover { background: var(--primary-light); color: #fff; transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.hero-stats {
  margin-top: 56px;
  padding: 36px 44px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.stat-number i { color: var(--accent); font-size: 1.8rem; margin-right: 4px; }
.stat-label { font-size: 0.88rem; color: rgba(255,255,255,0.65); margin-top: 6px; }

/* ===== Section Headers ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,107,44,0.1);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.section-tag.light { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.8); }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 0;
}
.light-section .section-title { color: #fff; }
.light-section .section-subtitle { color: rgba(255,255,255,0.7); }

/* ===== Feature Cards ===== */
.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226,232,240,0.6);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent);
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-card:hover::before { height: 100%; }
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  background: rgba(255,107,44,0.1);
  color: var(--accent);
  transition: var(--transition);
}
.feature-card:hover .feature-icon { background: var(--accent); color: #fff; transform: scale(1.06); }
.feature-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.feature-card p { font-size: 0.94rem; color: var(--muted); line-height: 1.7; margin-bottom: 0; }

/* ===== Sport Cards ===== */
.sport-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(226,232,240,0.6);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.sport-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.sport-card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.sport-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.sport-card:hover .sport-card-img img { transform: scale(1.06); }
.sport-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(11,27,43,0.5) 100%);
}
.sport-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.sport-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.sport-card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.sport-card-body p { font-size: 0.92rem; color: var(--muted); line-height: 1.7; flex: 1; }
.sport-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: #94A3B8; margin-top: 14px; }
.sport-meta i { color: var(--secondary); }

/* ===== Dynamic List ===== */
.dynamic-section { background: var(--bg); }
.dynamic-list { display: flex; flex-direction: column; gap: 16px; }
.dynamic-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: var(--transition);
  border: 1px solid rgba(226,232,240,0.5);
  box-shadow: 0 2px 10px rgba(11,27,43,0.04);
  position: relative;
  overflow: hidden;
}
.dynamic-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: center;
  transition: var(--transition);
}
.dynamic-item:hover { background: #F8FAFC; box-shadow: var(--shadow-hover); transform: translateX(4px); }
.dynamic-item:hover::before { transform: scaleY(1); }
.dynamic-thumb {
  width: 84px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--bg);
}
.dynamic-thumb img { width: 100%; height: 100%; object-fit: cover; }
.dynamic-content { flex: 1; min-width: 0; }
.dynamic-title { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dynamic-title a:hover { color: var(--accent); }
.dynamic-summary { font-size: 0.88rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 6px; }
.dynamic-meta { display: flex; align-items: center; gap: 14px; font-size: 0.8rem; color: #94A3B8; }
.dynamic-meta i { color: var(--secondary); margin-right: 4px; }

/* ===== Deep Band ===== */
.deep-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
  color: #fff;
}
.deep-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.18) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.3;
  pointer-events: none;
}
.deep-section .container { position: relative; z-index: 1; }
.deep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.deep-img { border-radius: 16px; overflow: hidden; position: relative; box-shadow: 0 24px 64px rgba(0,0,0,0.4); }
.deep-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.deep-img::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px;
}
.deep-list { list-style: none; margin-top: 28px; padding: 0; }
.deep-list li {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  font-size: 0.98rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.deep-list li:last-child { border-bottom: 0; }
.deep-list i { color: var(--secondary); margin-top: 4px; }

/* ===== Process ===== */
.process-step { text-align: center; padding: 28px 16px; position: relative; }
.process-step::after {
  content: "";
  position: absolute;
  top: 60px;
  left: calc(50% + 60px);
  width: calc(100% - 120px);
  border-top: 2px dashed #E2E8F0;
}
.process-step:last-child::after { display: none; }
.process-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent);
  transition: var(--transition);
}
.process-step:hover .process-num { background: var(--accent); border-color: var(--accent-dark); box-shadow: 0 8px 24px rgba(255,107,44,0.3); }
.process-step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.process-step p { font-size: 0.88rem; color: var(--muted); line-height: 1.6; margin-bottom: 0; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid rgba(226,232,240,0.7);
  box-shadow: 0 2px 12px rgba(11,27,43,0.04);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); border-color: rgba(255,107,44,0.3); }
.faq-btn {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: var(--transition);
}
.faq-btn:hover { color: var(--accent); }
.faq-btn i {
  color: var(--accent);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-btn:focus-visible { outline-offset: -3px; }
.faq-item.active .faq-btn { color: var(--accent); }
.faq-item.active .faq-btn i { transform: rotate(45deg); }
.faq-body { padding: 0 28px 24px; }
.faq-body p { font-size: 0.94rem; color: var(--muted); line-height: 1.8; margin-bottom: 0; }

/* ===== Newsletter CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
  padding: var(--spacer) 0;
  color: #fff;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.2) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.25;
  pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-box {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 56px;
  text-align: center;
  backdrop-filter: blur(8px);
}
.cta-box h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; margin-bottom: 14px; }
.cta-box p { font-size: 1rem; color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto 36px; line-height: 1.8; }
.newsletter-form { display: flex; max-width: 500px; margin: 0 auto; gap: 12px; }
.newsletter-form input {
  flex: 1;
  background: #fff;
  border: 2px solid transparent;
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 0.95rem;
  color: var(--text);
  transition: var(--transition);
  width: 100%;
}
.newsletter-form input::placeholder { color: #94A3B8; }
.newsletter-form input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 4px rgba(255,107,44,0.15); }
.newsletter-success { color: var(--secondary); margin-top: 16px; font-size: 0.92rem; display: none; }
.newsletter-success.show { display: block; }

/* ===== Footer ===== */
.site-footer {
  background: #0A1622;
  color: rgba(255,255,255,0.7);
  padding: 72px 0 0;
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-brand .logo-text { font-size: 1.1rem; }
.footer-desc { font-size: 0.9rem; line-height: 1.8; color: rgba(255,255,255,0.6); margin-bottom: 0; max-width: 320px; }
.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
.footer-links a i { font-size: 0.68rem; color: var(--accent); margin-right: 8px; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-links a:hover i { transform: translateX(3px); }
.footer-contact .contact-item { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
.footer-contact i { width: 38px; height: 38px; background: rgba(255,255,255,0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 0.85rem; flex-shrink: 0; }
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: var(--transition);
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-left, .nav-right { flex-direction: column; gap: 24px; }
  .nav-link { font-size: 1.15rem; color: rgba(255,255,255,0.85); }
  .nav-logo { position: relative; left: auto; transform: none; order: -1; }
  .nav-toggle { display: block; position: absolute; left: 16px; top: 50%; transform: translateY(-50%); }
  .nav-container { justify-content: space-between; }
  .hero-section { padding: 160px 0 80px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 28px; }
  .deep-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .hero-title { font-size: 1.8rem; }
  .hero-btns .btn-custom { width: 100%; justify-content: center; }
  .cta-box { padding: 32px 24px; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form .btn-custom { width: 100%; justify-content: center; }
  .dynamic-item { flex-direction: column; align-items: flex-start; }
  .dynamic-thumb { width: 100%; height: 160px; }
  .dynamic-title { white-space: normal; }
  .dynamic-summary { white-space: normal; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .process-step::after { display: none; }
}
@media (max-width: 520px) {
  .hero-stats { grid-template-columns: 1fr 1fr; padding: 20px; }
  .stat-number { font-size: 1.6rem; }
  .logo-text { font-size: 1.05rem; }
  .nav-logo .logo-icon { width: 30px; height: 30px; }
  .hero-section { padding: 140px 0 60px; }
}

/* roulang page: category2 */
:root {
            --primary: #0B1B2B;
            --secondary: #FF6B2C;
            --accent: #2DD4BF;
            --bg: #F6F7F9;
            --card-bg: #FFFFFF;
            --text: #1E293B;
            --muted: #64748B;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(11, 27, 43, 0.06);
            --shadow-hover: 0 12px 32px rgba(11, 27, 43, 0.12);
            --border: #E2E8F0;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
        }

        a:hover {
            color: var(--secondary);
        }

        .container {
            max-width: 1280px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section {
            padding: clamp(64px, 8vw, 96px) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--secondary);
            background: rgba(255, 107, 44, 0.1);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }

        .section-head p {
            color: var(--muted);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        /* ===== 按钮 ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--secondary);
            color: #fff;
            border: 2px solid var(--secondary);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: #FF814D;
            border-color: #FF814D;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 44, 0.3);
            outline: none;
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 107, 44, 0.25);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            backdrop-filter: blur(4px);
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-outline-light-custom:hover,
        .btn-outline-light-custom:focus {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            transform: translateY(-2px);
            outline: none;
        }

        .btn-dark-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-dark-custom:hover,
        .btn-dark-custom:focus {
            background: #0F2437;
            border-color: #0F2437;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(11, 27, 43, 0.25);
            outline: none;
        }

        /* ===== Header 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 27, 43, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 27, 43, 0.95);
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.25);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            position: relative;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            z-index: 1100;
            order: 1;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 1.5rem;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 2rem;
            flex: 1;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.4rem 0;
            position: relative;
            background: transparent;
            border: none;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--secondary);
        }

        .nav-link:hover::after,
        .nav-link:focus::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
            font-weight: 700;
        }

        .nav-link.nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: #fff;
            background: rgba(255, 107, 44, 0.18);
            border: 1px solid rgba(255, 107, 44, 0.5);
            padding: 0.45rem 1.25rem;
            border-radius: 999px;
            font-weight: 600;
        }

        .nav-link.nav-cta::after {
            display: none;
        }

        .nav-link.nav-cta:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
        }

        .nav-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 0.65rem;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.3s;
        }

        .breadcrumb-custom a:hover {
            color: var(--secondary);
        }

        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 170px 0 90px;
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            min-height: 560px;
        }

        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 27, 43, 0.82) 0%, rgba(11, 27, 43, 0.55) 60%, rgba(255, 107, 44, 0.15) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 1rem;
            max-width: 720px;
        }

        .page-hero .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            line-height: 1.85;
            margin-bottom: 2rem;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            max-width: 640px;
        }

        .hero-stats .stat-item {
            text-align: center;
            min-width: 100px;
        }

        .hero-stats .stat-num {
            display: block;
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stats .stat-num span {
            color: var(--secondary);
        }

        .hero-stats .stat-label {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 0.2rem;
        }

        /* ===== 分类优势 ===== */
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 2.25rem 1.75rem;
            height: 100%;
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, 0.6);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 44, 0.2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: rgba(255, 107, 44, 0.1);
            border-radius: 16px;
            color: var(--secondary);
            font-size: 1.5rem;
            margin-bottom: 1.25rem;
            transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            background: var(--secondary);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }

        .feature-card p {
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 项目卡片 ===== */
        .sports-grid {
            margin-top: 1rem;
        }

        .sport-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, 0.5);
            height: 100%;
            transition: transform 0.35s ease, box-shadow 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .sport-card .card-media {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--primary);
        }

        .sport-card .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .sport-card:hover .card-media img {
            transform: scale(1.05);
        }

        .sport-card .card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 27, 43, 0.4) 0%, transparent 60%);
            pointer-events: none;
        }

        .card-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            z-index: 2;
            background: var(--secondary);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.85rem;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .card-badge.accent-badge {
            background: var(--accent);
            color: var(--primary);
        }

        .sport-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .sport-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .sport-card p {
            color: var(--muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .card-link {
            color: var(--secondary);
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            border: none;
            background: transparent;
            padding: 0;
            cursor: pointer;
            transition: gap 0.25s ease, color 0.25s ease;
        }

        .card-link:hover,
        .card-link:focus {
            color: var(--primary);
            gap: 0.6rem;
            outline: none;
        }

        /* ===== 适用场景 ===== */
        .scene-section {
            background: var(--primary);
            color: #fff;
        }

        .scene-section .section-head h2 {
            color: #fff;
        }

        .scene-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .scene-section .section-tag {
            color: var(--accent);
            background: rgba(45, 212, 191, 0.12);
        }

        .scene-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .scene-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
            position: relative;
        }

        .scene-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .scene-media::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 40%;
            background: linear-gradient(to top, rgba(11, 27, 43, 0.5), transparent);
        }

        .scene-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .scene-list li {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }

        .scene-list li:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 107, 44, 0.3);
            transform: translateX(6px);
        }

        .scene-list .scene-num {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            background: var(--secondary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .scene-list h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .scene-list p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== 内容流程 ===== */
        .process-step {
            text-align: center;
            padding: 2rem 1.25rem;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid rgba(226, 232, 240, 0.5);
            height: 100%;
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: var(--primary);
            color: var(--accent);
            font-size: 1.4rem;
            font-weight: 800;
            border-radius: 18px;
            margin-bottom: 1.25rem;
            box-shadow: 0 6px 20px rgba(11, 27, 43, 0.2);
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -24px;
            transform: translateY(-50%);
            color: var(--secondary);
            font-size: 1.1rem;
            z-index: 2;
            background: var(--bg);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
        }

        .step-arrow i {
            line-height: 1;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease;
        }

        .accordion-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .accordion-button {
            background: var(--card-bg);
            color: var(--primary);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.25rem 1.5rem;
            border: none;
            box-shadow: none !important;
            position: relative;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .accordion-button::after {
            background-image: none;
            content: "\f107";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--secondary);
            transition: transform 0.3s ease;
            position: absolute;
            right: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
        }

        .accordion-button:not(.collapsed)::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 107, 44, 0.04);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }

        .accordion-button:focus-visible {
            box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.25);
        }

        .accordion-body {
            background: var(--card-bg);
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.85;
            padding: 0 1.5rem 1.5rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 44, 0.15), transparent 60%);
            pointer-events: none;
        }

        .cta-wrap {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .cta-wrap h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .cta-wrap p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            margin-bottom: 0;
            max-width: 560px;
        }

        .cta-action {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            margin-bottom: 1rem;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 1.15rem;
        }

        .footer-desc {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
            max-width: 360px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.6rem;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--secondary);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: color 0.3s ease, transform 0.3s ease;
        }

        .footer-links a i {
            font-size: 0.65rem;
            color: var(--secondary);
        }

        .footer-links a:hover {
            color: var(--secondary);
            transform: translateX(4px);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .contact-item i {
            width: 32px;
            height: 32px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .nav-left,
            .nav-right {
                gap: 1.25rem;
            }

            .logo-text {
                font-size: 1.05rem;
            }

            .scene-wrap {
                gap: 2.5rem;
            }
        }

        @media (max-width: 991.98px) {
            .site-header {
                background: rgba(11, 27, 43, 0.92);
            }

            .nav-container {
                min-height: 64px;
            }

            .nav-toggle {
                display: flex;
                order: 1;
            }

            .main-nav {
                order: 2;
                width: auto;
                flex: none;
                gap: 0;
            }

            .main-nav .nav-left,
            .main-nav .nav-right {
                display: none;
            }

            .main-nav .nav-logo {
                position: absolute;
                top: 0;
                right: 1.5rem;
                height: 64px;
                align-items: center;
            }

            .main-nav .logo-text {
                font-size: 1rem;
            }

            .main-nav .logo-icon {
                width: 30px;
                height: 30px;
            }

            .main-nav.nav-open {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(11, 27, 43, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 0.5rem;
                z-index: 1050;
                order: 0;
            }

            .main-nav.nav-open .nav-left,
            .main-nav.nav-open .nav-right {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 1.75rem;
                width: 100%;
            }

            .main-nav.nav-open .nav-logo {
                position: static;
                transform: none;
                height: auto;
                margin-bottom: 2.5rem;
            }

            .main-nav.nav-open .nav-link {
                font-size: 1.15rem;
                color: #fff;
            }

            .main-nav.nav-open .nav-link.nav-cta {
                margin-top: 1rem;
            }

            .page-hero {
                padding: 140px 0 70px;
                min-height: 500px;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .hero-stats .stat-num {
                font-size: 1.6rem;
            }

            .scene-wrap {
                grid-template-columns: 1fr;
            }

            .scene-media img {
                height: 320px;
            }

            .step-arrow {
                display: none;
            }

            .cta-wrap {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .cta-action {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 1.25rem;
                padding-right: 1.25rem;
            }

            .page-hero {
                padding: 120px 0 60px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .page-hero .hero-sub {
                font-size: 1rem;
            }

            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-btns .btn-primary-custom,
            .hero-btns .btn-outline-light-custom {
                width: 100%;
            }

            .hero-stats {
                justify-content: center;
            }

            .sport-card .card-media {
                height: 180px;
            }

            .scene-media img {
                height: 260px;
            }

            .process-step {
                padding: 1.5rem 1rem;
            }

            .cta-action {
                flex-direction: column;
            }

            .cta-action .btn-primary-custom,
            .cta-action .btn-dark-custom {
                width: 100%;
            }

            .footer-brand-col {
                text-align: center;
            }

            .footer-brand {
                justify-content: center;
            }

            .footer-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .footer-title {
                text-align: center;
            }

            .footer-title::after {
                left: 50%;
                transform: translateX(-50%);
            }

            .footer-links {
                align-items: center;
            }

            .footer-contact {
                align-items: center;
            }

            .contact-item {
                justify-content: center;
            }
        }

        @media (max-width: 575.98px) {
            .main-nav.nav-open .nav-logo .logo-text {
                font-size: 0.95rem;
            }

            .hero-stats {
                align-items: center;
                flex-direction: column;
                gap: 1.25rem;
            }

            .hero-stats .stat-item {
                min-width: auto;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .accordion-button {
                font-size: 0.95rem;
                padding: 1.1rem 1.25rem;
                padding-right: 3rem;
            }

            .accordion-button::after {
                right: 1.1rem;
            }

            .accordion-body {
                padding: 0 1.25rem 1.25rem;
            }
        }

/* roulang page: article */
:root {
  --primary: #0B1B2B;
  --secondary: #FF6B2C;
  --accent: #2DD4BF;
  --bg: #F6F7F9;
  --card-bg: #FFFFFF;
  --text: #1E293B;
  --muted: #64748B;
  --border: #E2E8F0;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(11,27,43,.06);
  --shadow-hover: 0 12px 32px rgba(11,27,43,.12);
  --transition: all .25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; }
ul, ol { list-style: none; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(45,212,191,.6);
  outline-offset: 2px;
}

.container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }

/* ========== Header / Nav ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11,27,43,.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  background: rgba(11,27,43,.94);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.nav-container {
  position: relative;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.main-nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 0;
  color: rgba(255,255,255,.88);
  font-weight: 500;
  font-size: .95rem;
  white-space: nowrap;
  transition: color .25s ease;
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--secondary);
}
.nav-link.active {
  color: #fff;
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}
.nav-cta {
  padding: 8px 20px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  transition: var(--transition);
}
.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
  transform: translateY(-2px);
}
.nav-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: #fff;
  transition: opacity .25s;
}
.logo:hover { opacity: .9; }
.logo-icon { width: 36px; height: 36px; }
.logo-text {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .5px;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 1002;
  position: relative;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .3s ease, opacity .3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Article Page ========== */
.article-topband {
  height: 6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 45%, var(--accent) 100%);
  border-radius: 0 0 18px 18px;
}
.article-main {
  padding: 128px 0 96px;
  background: var(--bg);
}
.article-shell {
  max-width: 900px;
  margin: 0 auto;
}
.breadcrumb-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: .9rem;
  margin-bottom: 14px;
}
.breadcrumb-wrap a {
  color: var(--muted);
  transition: color .2s;
}
.breadcrumb-wrap a:hover { color: var(--secondary); }
.breadcrumb-sep {
  color: #CBD5E1;
  font-size: .8rem;
}
.crumb-cat { color: var(--muted); }
.crumb-title {
  color: var(--primary);
  font-weight: 600;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-header {
  background: var(--card-bg);
  border-radius: 20px;
  padding: clamp(28px, 4vw, 50px);
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}
.article-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-top: 6px;
  margin-bottom: 22px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  color: var(--muted);
  font-size: .9rem;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #F8FAFC;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
}
.meta-item i { color: var(--secondary); }

.article-content {
  max-width: 780px;
  margin: 0 auto 48px;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: clamp(28px, 4vw, 54px);
  font-size: 1.05rem;
  line-height: 1.9;
  color: #1E293B;
}
.article-content p {
  margin-bottom: 1.2em;
}
.article-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  border-left: 4px solid var(--secondary);
  padding-left: 16px;
  margin-top: 2em;
  margin-bottom: .8em;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 1.6em;
  margin-bottom: .6em;
}
.article-content img {
  width: 100%;
  border-radius: var(--radius);
  margin: 1.4em 0;
}
.article-content ul,
.article-content ol {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
}
.article-content li { margin-bottom: .6em; }
.article-content blockquote {
  border-left: 3px solid var(--secondary);
  background: #FFF7F4;
  padding: 16px 20px;
  margin: 1.5em 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}
.article-content th,
.article-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
}
.article-content th { background: #F8FAFC; }
.article-content a { color: var(--secondary); }
.article-content a:hover { text-decoration: underline; }

/* Related */
.related-section {
  max-width: 900px;
  margin: 0 auto 32px;
  padding: 56px 0 16px;
}
.related-head {
  text-align: center;
  margin-bottom: 34px;
}
.related-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--primary);
  position: relative;
}
.related-head p {
  color: var(--muted);
  margin-top: 8px;
  font-size: .95rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: block;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  border: 1px solid transparent;
}
.related-card:hover,
.related-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255,107,44,.25);
}
.related-img {
  height: 180px;
  overflow: hidden;
}
.related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.related-card:hover .related-img img { transform: scale(1.05); }
.related-body { padding: 20px 22px 24px; }
.related-tag {
  display: inline-block;
  background: rgba(255,107,44,.1);
  color: var(--secondary);
  font-size: .75rem;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
}
.related-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 10px;
  line-height: 1.4;
}
.related-body p {
  font-size: .9rem;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.6;
}

/* Return */
.article-return {
  text-align: center;
  margin-top: 56px;
  margin-bottom: 16px;
}
.article-return a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
}
.article-return a:hover,
.article-return a:focus-visible {
  background: var(--secondary);
  transform: translateX(-4px);
}

/* Missing */
.article-missing {
  max-width: 560px;
  margin: 24px auto 64px;
  padding: 80px 28px;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  color: var(--muted);
}
.article-missing i {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.article-missing p {
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 600;
}
.article-missing a {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 32px;
  background: var(--secondary);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  transition: var(--transition);
}
.article-missing a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

/* ========== Footer ========== */
.site-footer {
  position: relative;
  background: var(--primary);
  color: rgba(255,255,255,.8);
  padding: 64px 0 24px;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
}
.footer-brand-col .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 1.05rem;
}
.footer-desc {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  line-height: 1.8;
  max-width: 340px;
}
.footer-title {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 18px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,.72);
  font-size: .9rem;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a i {
  font-size: .6rem;
  color: var(--secondary);
  margin-right: 8px;
  vertical-align: middle;
}
.footer-links a:hover {
  color: var(--secondary);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: rgba(255,255,255,.72);
  font-size: .9rem;
  line-height: 1.5;
}
.contact-item i {
  color: var(--accent);
  margin-top: 5px;
  font-size: .85rem;
  width: 16px;
}
.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
}

/* ========== Responsive ========== */
@media (max-width: 991px) {
  .nav-container { height: 76px; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 22px;
    background: rgba(11,27,43,.98);
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 42px 32px 48px;
    box-shadow: 0 18px 32px rgba(0,0,0,.25);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s;
    z-index: 1001;
  }
  .main-nav.open { visibility: visible; opacity: 1; transform: none; }
  .nav-left,
  .nav-right {
    flex-direction: column;
    align-items: center;
    gap: 18px;
    width: 100%;
  }
  .nav-link { font-size: 1.08rem; }
  .nav-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    height: 76px;
    display: flex;
    align-items: center;
  }
  .logo-text { font-size: 14px; }
}

@media (max-width: 768px) {
  .article-main { padding: 110px 0 64px; }
  .article-header { padding: 24px; }
  .article-content { padding: 24px; font-size: 1rem; }
  .related-grid { grid-template-columns: 1fr; }
  .related-img { height: 200px; }
  .article-meta { gap: 8px; }
  .meta-item { padding: 5px 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { margin-top: 28px; }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .article-title { font-size: 1.55rem; }
  .crumb-title { max-width: 200px; }
  .related-img { height: 190px; }
  .footer-brand-col .footer-desc { max-width: 100%; }
}

/* roulang page: category3 */
:root {
    --primary: #0B1B2B;
    --secondary: #FF6B2C;
    --accent: #2DD4BF;
    --bg: #F6F7F9;
    --card-bg: #FFFFFF;
    --text: #1E293B;
    --muted: #64748B;
    --border: #E2E8F0;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(11,27,43,0.06);
    --shadow-hover: 0 12px 32px rgba(11,27,43,0.12);
    --transition: all 0.3s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    display: block;
}

button,
input {
    font-family: inherit;
    border: none;
    outline: none;
}

.container {
    max-width: 1280px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== Header & Navigation ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 27, 43, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
    background: rgba(11, 27, 43, 0.95);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    min-height: 72px;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 48px;
}

.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.nav-right {
    justify-content: flex-end;
}

.nav-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.logo-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: 1px;
    line-height: 1.2;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
    border-bottom: 2px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.nav-link:hover {
    color: var(--secondary);
    background: rgba(255, 107, 44, 0.1);
}

.nav-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.nav-link.active {
    color: #FFFFFF;
    font-weight: 700;
    border-bottom-color: var(--secondary);
}

.nav-link.nav-cta {
    background: var(--secondary);
    color: #FFFFFF;
    padding: 8px 20px;
    border-radius: 999px;
    font-weight: 600;
    border-bottom: none;
}

.nav-link.nav-cta:hover {
    background: #FF814D;
    color: #FFFFFF;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(255, 107, 44, 0.35);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    z-index: 1100;
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 24px;
    background: #FFFFFF;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 移动端抽屉 */
.drawer-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    height: 100vh;
    background: var(--primary);
    z-index: 1050;
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
}

.drawer-menu.open {
    transform: translateX(0);
}

.drawer-menu .nav-link {
    font-size: 1.1rem;
    padding: 12px 16px;
    color: rgba(255, 255, 255, 0.85);
    border-radius: 10px;
}

.drawer-menu .nav-link.active {
    color: var(--secondary);
    background: rgba(255, 107, 44, 0.12);
    border-bottom: none;
}

.drawer-menu .nav-cta {
    background: var(--secondary);
    color: #fff;
    text-align: center;
    margin-top: 8px;
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 27, 43, 0.6);
    z-index: 1040;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* ===== Hero Banner ===== */
.page-hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    padding: 140px 0 80px;
    margin-top: 72px;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(11, 27, 43, 0.82) 30%, rgba(11, 27, 43, 0.35) 75%);
    z-index: 1;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: 1;
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.25s ease;
}

.hero-breadcrumb a:hover {
    color: var(--accent);
}

.hero-breadcrumb .separator {
    color: rgba(255, 255, 255, 0.4);
}

.hero-breadcrumb .current {
    color: var(--accent);
    font-weight: 500;
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.page-hero .hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 640px;
    line-height: 1.8;
    margin-bottom: 32px;
}

/* ===== Buttons ===== */
.btn-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-custom:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-primary-custom {
    background: var(--secondary);
    color: #FFFFFF;
}

.btn-primary-custom:hover {
    background: #FF814D;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 44, 0.32);
}

.btn-primary-custom:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(255, 107, 44, 0.25);
}

.btn-outline-custom {
    background: transparent;
    color: #FFFFFF;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-custom:hover {
    border-color: #FFFFFF;
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-dark-custom {
    background: var(--primary);
    color: #FFFFFF;
}

.btn-dark-custom:hover {
    background: #152C42;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(11, 27, 43, 0.25);
}

/* ===== Section Common ===== */
.section {
    padding: clamp(64px, 10vw, 96px) 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 999px;
    background: rgba(255, 107, 44, 0.12);
    color: var(--secondary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 107, 44, 0.25);
}

.section-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.25;
    margin-bottom: 12px;
}

.section-header .section-desc {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.8;
}

.section.bg-white {
    background: #FFFFFF;
}

.section.bg-light {
    background: var(--bg);
}

.section.bg-dark {
    background: var(--primary);
}

/* ===== 适用人群 ===== */
.audience-section {
    background: #FFFFFF;
}

.audience-grid .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
    padding: 32px 24px;
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.audience-grid .card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(255, 107, 44, 0.3);
}

.audience-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #FFFFFF;
    margin-bottom: 20px;
}

.audience-icon.teal {
    background: var(--accent);
}

.audience-icon.orange {
    background: var(--secondary);
}

.audience-icon.blue {
    background: #3B82F6;
}

.audience-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.audience-card-text {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 0;
}

/* ===== 核心板块卡片 ===== */
.feature-card {
    position: relative;
    border: none;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.feature-card .card-img-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.feature-card .card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.feature-card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.feature-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--secondary);
    box-shadow: 0 4px 12px rgba(11, 27, 43, 0.2);
}

.feature-badge.teal {
    background: var(--accent);
    color: var(--primary);
}

.feature-card-body {
    padding: 28px 24px 32px;
}

.feature-card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.4;
}

.feature-card-body p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 16px;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.92rem;
}

.feature-link:hover {
    color: #FF814D;
}

.feature-link i {
    transition: transform 0.3s ease;
}

.feature-link:hover i {
    transform: translateX(4px);
}

/* ===== 流程图 ===== */
.steps-section {
    background: var(--bg);
}

.step-item {
    display: flex;
    gap: 20px;
    background: #FFFFFF;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border);
}

.step-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #FFFFFF;
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary);
    bottom: 16px;
    right: 2px;
    border: 2px solid #FFFFFF;
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.step-content p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ===== 数据统计 ===== */
.stats-band {
    background: var(--primary);
    padding: 64px 0;
    position: relative;
}

.stats-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 26px 26px;
}

.stats-band .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    color: #FFFFFF;
    line-height: 1.2;
    margin-bottom: 6px;
}

.stat-item .stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

/* ===== FAQ ===== */
.faq-section .accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius) !important;
    margin-bottom: 16px;
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: var(--shadow);
}

.faq-section .accordion-button {
    background: #FFFFFF;
    color: var(--text);
    font-size: 1rem;
    font-weight: 600;
    padding: 20px 24px;
    box-shadow: none;
    border: none;
}

.faq-section .accordion-button:not(.collapsed) {
    background: #FFFFFF;
    color: var(--secondary);
    box-shadow: none;
}

.faq-section .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.faq-section .accordion-button::after {
    color: var(--secondary);
}

.faq-section .accordion-body {
    padding: 0 24px 20px;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.8;
    background: #FFFFFF;
}

/* ===== CTA ===== */
.cta-section {
    background: #FFFFFF;
}

.cta-box {
    background: linear-gradient(135deg, #0B1B2B 0%, #132C45 100%);
    border-radius: 20px;
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
}

.cta-box::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -40px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: rgba(255, 107, 44, 0.12);
}

.cta-box .cta-content {
    position: relative;
    z-index: 1;
    flex: 1;
}

.cta-box h2 {
    color: #FFFFFF;
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0;
    font-size: 1rem;
}

.cta-box .cta-action {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

/* ===== 订阅 ===== */
.newsletter-section {
    background: var(--bg);
}

.newsletter-box {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 48px;
    box-shadow: var(--shadow);
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-box h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}

.newsletter-box p {
    color: var(--muted);
    margin-bottom: 28px;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}

.newsletter-form .form-control {
    border: 1px solid #CBD5E1;
    border-radius: 999px;
    padding: 12px 20px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.newsletter-form .form-control:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.12);
}

.newsletter-form .btn-custom {
    flex-shrink: 0;
    padding: 12px 28px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.4fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    font-size: 1.2rem;
}

.footer-desc {
    font-size: 0.92rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.25s ease, padding-left 0.25s ease;
}

.footer-links a i {
    font-size: 0.68rem;
    color: var(--secondary);
}

.footer-links a:hover {
    color: #FFFFFF;
    padding-left: 6px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact .contact-item i {
    color: var(--accent);
    margin-top: 5px;
    width: 16px;
    text-align: center;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
    .main-nav {
        justify-content: space-between;
    }

    .nav-left,
    .nav-right {
        display: none;
    }

    .nav-toggle {
        display: flex;
        position: absolute;
        right: 0;
        top: 16px;
    }

    .nav-logo {
        margin: 0 auto;
    }

    .page-hero {
        margin-top: 0;
        min-height: 420px;
        padding: 120px 0 60px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-box {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 767px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .page-hero .hero-subtitle {
        font-size: 1rem;
    }

    .hero-breadcrumb {
        font-size: 0.8rem;
    }

    .section {
        padding: 48px 0;
    }
}

@media (max-width: 575px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .cta-box {
        padding: 32px 20px;
    }

    .cta-box h2 {
        font-size: 1.4rem;
    }

    .newsletter-box {
        padding: 32px 20px;
    }

    .newsletter-box h2 {
        font-size: 1.5rem;
    }

    .drawer-menu {
        width: 280px;
    }
}